US2740564A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the uniform discharge of fine-grained loose material
Assignee: BASF SE
•
Filing: 1952-07-05
•
Granted: 1956-04-03
•
Expires: 1972-07-05
Abstract
No abstract record available.
Inventors
- 👤 Altstaedt Werner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:00
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/0015; B01J8/002; B01J8/18; B01J8/24; B01J8/44; B65; B65D; B65D90/00; B65D90/54; B65D90/58; B65D90/587
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
APPARATUS FOR THE UNIFORM DISCHARGE OF FINEGRAINED LOOSE MATERIAL COMPRISING A STATIONARY GRATE FORMING THE LOWER BOUNDARY OF A CONTAINER FOR THE LOOSE MATERIAL, A GENERALLY HORIZONTALLY AND RECIPROCATINGLY MOVABLE GRATE SPACED BELOW SAID STATIONARY GRATE, SAID STATIONARY GRATE COMPRISING A PLURALITY OF SUBSTANTIALLY PARALLEL SPACED PROFILE SUPPORTS, SAID MOVABLE GRATE HAVING A PLURALITY OF DISCHARGE OPENINGS THEREIN AND IMPERFORATE PORTIONS THEREOF BEING ARRANGED TO COVER THE SPACES BETWEEN SAID SUPPORTS AND EXTEND UNDER THE SUPPORTS TO FORM GENERALLY HORIZONTAL CHAMBERS THEREWITH ALONG ONE SIDE OF EACH SUPPORT IN EACH POSITION OF THE MOVABLE GRATE, SAID CHAMBERS TERMINATING AT SAID DISCHARGE OPENINGS BEING LOCATED BENEATH SAID SUPPORTS, AND A MEMBER POSITIONED BETWEEN EACH SAID SUPPORT AND SAID MOVABLE GRATE TO PREVENT SUBSTANTIAL DISCHARGE OF MATERIAL THEREBETWEEN FROM THE OTHER SIDE OF THE SUPPORT IN EACH POSITION OF THE MOVABLE GRATE.
Claim 2
Dependent Claim
140 words
APPARATUS FOR THE UNIFORM DISCHARGE OF FINEGRAINED LOOSE MATERIAL COMPRISING A STATIONARY GRATE FORMING THE LOWER BOUNDARY OF A CONTAINER FOR THE LOOSE MATERIAL, A GENERALLY HORIZONTALLY AND RECIPROCATINGLY MOVABLE GRATE SPACED BELOW SAID STATIONARY GRATE, SAID STATIONARY GRATE COMPRISING A PLURALITY OF SUBSTANTIALLY PARALLEL SPACED PROFILE SUPPORTS, SAID MOVABLE GRATE HAVING A PLURALITY OF DISCHARGE OPENINGS THEREIN AND IMPERFORATE PORTIONS THEREOF BEING ARRANGED TO COVER THE SPACES BETWEEN SAID SUPPORTS AND EXTEND UNDER THE SUPPORTS TO FORM GENERALLY HORIZONTAL CHAMBERS THEREWITH ALONG ONE SIDE OF EACH SUPPORT IN EACH POSITION OF THE MOVABLE GRATE, SAID CHAMBERS TERMINATING AT SAID DISCHARGE OPENINGS BEING LOCATED BENEATH SAID SUPPORTS, AND A MEMBER POSITIONED BETWEEN EACH SAID SUPPORT AND SAID MOVABLE GRATE TO PREVENT SUBSTANTIAL DISCHARGE OF MATERIAL THEREBETWEEN FROM THE OTHER SIDE OF THE SUPPORT IN EACH POSITION OF THE MOVABLE GRATE.
References Cited (Backward Citations)
US60602A
Cited
US2577315A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-03 | 1959-10-03 | 1960-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-03 | 1963-10-03 | 1964-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-03 | 1967-10-03 | 1968-04-03 | $7700.00 | Window Closed / Lapsed |